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Speedometer quits working intermittently

Tiny
BOB%
  • MEMBER
  • 1985 CHEVROLET CORVETTE
  • 5.7L
  • V8
  • 2WD
  • MANUAL
  • 102,174 MILES
Sometimes my digital speedometer works and then it stops working. I never know how fast I' am going and it is annoying. What can cause this problem and how can I fix it?
Monday, September 17th, 2018 AT 2:48 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,833 POSTS
Hello,

This is the LCD screen which they had a problem with. When this happens you must remove the instrument cluster and send it to be rebuilt. AER does this, here is a video of the job being done on a similar car with diagrams below to show you on your car. Sometimes just unplugging the cluster and plugging it back in again can fix a bad connection.

https://youtu.be/_HEC44xENxw

Check out the diagrams (below). Please let us know what happens.

Cheers, Ken
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Tuesday, September 18th, 2018 AT 5:11 PM

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